CSS estranho, mesmo criança
tr:nth-child(even) {background: #CCC}
tr:nth-child(odd) {background: #FFF}
Alive Albatross
tr:nth-child(even) {background: #CCC}
tr:nth-child(odd) {background: #FFF}/* Selects the second <li> element in a list */
li:nth-child(2) {
color: lime;
}
/* Selects every fourth element
among any group of siblings */
:nth-child(4n) {
color: lime;
}
li:nth-child(even) { /* Selects only even elements */
color: green;
}li:nth-child(odd) { /* Selects only odd elements */
color: green;
}